Add 50/21 and 4/30
1st number: 2 8/21, 2nd number: 4/30
50/21 + 4/30 is 88/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
50/21 = 50 × 10/21 × 10 = 500/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
4/30 = 4 × 7/30 × 7 = 28/210 - Add the two like fractions:
500/210 + 28/210 = 500 + 28/210 = 528/210 - 528/210 simplified gives 88/35
- So, 50/21 + 4/30 = 88/35
In mixed form: 218/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/21+8/30 50/42+4/30 50/21+4/60 50/21+12/30 50/63+4/30 50/21+4/90 50/21+20/30 50/21+28/30